A company's main material is fiber board sold by the square foot. The current cost of fiber board is $$4\mathrm{.}00$ per square foot. Delivery costs are $$0\mathrm{.}25$ per board foot, wages per hour are $$25\mathrm{.}00,$ payroll costs are $$3\mathrm{.}60$ per hour, and benefits are $$5\mathrm{.}00$ per hour. How much is the direct materials cost standard per square foot?

$$9\mathrm{.}25$ per sq$.ft.$

$$4\mathrm{.}00$ per sq$.$ ft$.$

$$4\mathrm{.}25$ per sq$.$ ft$.$

$$7\mathrm{.}85$ per sq$.ft.$